Researchers have described a new species of the fish genus Sturisoma from Madeira River basin in Bolivia and Brazil.
Live specimen of Sturisoma reisi from...
The new specimen represents the first occurrence of an acipenseriform (sturgeon) fish on the continent of Africa.
The European sea sturgeon (Acipenser...
Skates are cartilaginous fish whose body plan features enlarged wing-like pectoral fins, enabling them to thrive in benthic environments. However, the...
Paleontologists have described a new genus and species of broad-snouted chondrichthyan fish from several fossilized specimens found in Morocco.
Reconstruction...
Scientists from the Australian Museum Research Institute, the University of Sydney and the Museum and Art Gallery of the Northern Territory have described...
In spring, female thick-shelled river mussels (Unio crassus) were seen moving to the water’s edge and anchoring into the riverbed, with their back ends...
Dunkleosteus terrelli, an armor-plated fish that lived in the shallow subtropical waters of the Devonian period, about 360 million years ago, is one of...
Paleontologists from the University of Vienna and elsewhere have revised a controversial species of the elasmobranch Protospinax annectans based on new...
The newly-identified species of tristichopterid fish grew up to 3 m (10 feet) long and belongs to the extinct genus Hyneria.
Life reconstruction of the...
The newly-discovered species belongs to Horaglanis, a genus of rarely-collected, tiny, blind, pigment less, and strictly aquifer-residing catfish.
Horaglanis...
Surface-based group feeding of Indo-Pacific sailfish (Istiophorus platypterus), a highly popular species in recreational fishing worldwide, is commonly...
Scientists from the Kyoto University Museum and elsewhere have described a new species of the fish genus Coradion from Australian waters.
Coradion calendula....
In a series of experiments conducted in Japan, mirror-naïve bluestreak cleaner wrasses (Labroides dimidiatus) frequently attacked photographs of both...
The recovery of life from the devastating end-Permian mass extinction, which peaked about 252.3 million years ago, was an important period of evolution....
Neolissochilus pnar grows to over 400 mm (1.3 feet) and occurs only in the limestone caves of Meghalaya, a state in northeastern India.
Neolissochilus...
Paleontologists have examined the fossilized brain and cranial nerve soft tissues of Coccocephalus wildi, a species of early ray-finned fish that lived...
Sinocyclocheilus longicornus inhabits a completely dark cave in southwestern Guizhou province in China.
Live adult male paratype of Sinocyclocheilus longicornus....
Suction is an especially effective way of feeding underwater, and adaptations to enhance it have evolved numerous times in jawed vertebrates. The only...
Scientists have sequenced the chromosome-level genomes of the great hammerhead (Sphyrna mokarran) and the shortfin mako (Isurus oxyrinchus) sharks. Their...
Fossilized remains of an enigmatic mawsoniid coelacanth that grew over 1 m long have been discovered by an international team of paleontologists from the...
